| /* |
| * Copyright 2012, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <sys/stat.h> |
| #include <stdlib.h> |
| |
| #include "bcinfo/Wrap/in_memory_wrapper_input.h" |
| |
| InMemoryWrapperInput::InMemoryWrapperInput(const char* buffer, size_t size) : |
| _buffer(buffer), _pos(0), _size(size) { |
| } |
| |
| InMemoryWrapperInput::~InMemoryWrapperInput() { |
| } |
| |
| size_t InMemoryWrapperInput::Read(uint8_t* buffer, size_t wanted) { |
| size_t found = 0; |
| |
| if (!buffer) { |
| return 0; |
| } |
| |
| while (found < wanted) { |
| if (_pos >= _size) { |
| return found; |
| } |
| buffer[found++] = _buffer[_pos++]; |
| } |
| return found; |
| } |
| |
| bool InMemoryWrapperInput::AtEof() { |
| return (_pos >= _size); |
| } |
| |
| off_t InMemoryWrapperInput::Size() { |
| return _size; |
| } |
| |
| bool InMemoryWrapperInput::Seek(uint32_t pos) { |
| if (pos < _size) { |
| _pos = pos; |
| return true; |
| } else { |
| return false; |
| } |
| } |